Ornament for a necklace



FIG. 1 is a front plan view of the design with broken lines depicting an example environment related to the design;

FIG. 2 is a front and right side perspective view showing the design;

FIG. 3 is a front elevational view of the design;

FIG. 4 is a right side plan view of the design, the left side being identical;

FIG. 5 is a top plan view of the design, the bottom being identical; and,

FIG. 6 is a rear elevational view of the design. 

The ornamental design for an ornament for a necklace, as shown and described. 